Shanghai's Spherical Influence: How the Megacity Is Reshaping the Yangtze Delta Region

Section 1: The 1+3+6 Megaregion BlueprintShanghai's regional expansion strategy:- Core city + 3 provincial partners (Jiangsu/Zhejiang/Anhui) + 6 major corridors- 88 million population in the coordinated development zone- ¥28 trillion combined GDP